There are no immediate reports of damage or injuries from the major earthquake – magnitude 7.0 – that struck near the Alaskan village of Adak, 1,200 miles southwest of Anchorage, earlier today. The quake occurred at at 4:25 a.m. local time, on August 30, 2013. Multiple aftershocks followed, including one measuring magnitude 4.5. No tsunami warning was issued.

… a jet-like rumble that shook homes and sent residents scrambling for cover.

Michael Burgy with the West Coast and Alaska Tsunami Warning Center in Palmer, Alaska, told AP reporters that the Alaska Earthquake Information Center is monitoring for potential tsunamis caused by landslides, either on land or under water.

Here are the details of the quake, from the U.S. Geological Survey (USGS):

Deborah Byrd created the EarthSky radio series in 1991 and founded the website EarthSky.org in 1994. Today, she serves as Editor-in-Chief of this website and blogs frequently about astrophysics, the night sky and other topics related to Earth, space and the human world. She has won a galaxy of awards from the broadcasting and science communities, including having an asteroid named 3505 Byrd in her honor. A science communicator and educator since 1976, Byrd believes in science as a force for good in the world and a vital tool for the 21st century. "Being an EarthSky editor is like hosting a big global party for cool nature-lovers," she says.